On Fri, 2026-04-24 at 16:47 +0200, Christian Zigotzky wrote: > I compiled it with "mtune=power4" today but without any success. > > Error messages: > > [ 800.274759] Couldn't emulate instruction 0x00000000 (op 0 xop 0) > [ 800.274767] kvmppc_exit_pr_progint: emulation at 100 failed (00000000)
What exactly are you running inside the KVM? 0x00000000 doesn't seem like a valid instruction and a quick Google research reveals that this triggers a SIGLL trap. Adrian -- .''`. John Paul Adrian Glaubitz : :' : Debian Developer `. `' Physicist `- GPG: 62FF 8A75 84E0 2956 9546 0006 7426 3B37 F5B5 F913
